12211122122210 has 32 divisors (see below), whose sum is σ = 24225401434752. Its totient is φ = 4394630638080.

The previous prime is 12211122122167. The next prime is 12211122122231. The reversal of 12211122122210 is 1222122111221.

It is a super-2 number, since 2×12211122122210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572206862 + ... + 572228201.

It is an arithmetic number, because the mean of its divisors is an integer number (757043794836).

Almost surely, 2^{12211122122210} is an apocalyptic number.

12211122122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211122122210 is a deficient number, since it is larger than the sum of its proper divisors (12014279312542).

12211122122210 is a wasteful number, since it uses less digits than its factorization.

12211122122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144435178.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12211122122210 its reverse (1222122111221), we get a palindrome (13433244233431).

The spelling of 12211122122210 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred ten".